6'598 companies found
norm-sanitär GmbH
Rheineck · Since 2019
The core activity of norm-sanitär GmbH is the planning, design, installation and maintenance of sanitary facilities, including bathroom renovations, new constructions and repairs of water leaks, for private and public buildings.
Notfall Sanitär Schweiz GmbH
Sursee · Since 2021
Notfall Sanitär Schweiz GmbH operates a 24/7 emergency plumbing service and performs repairs, leak detection and water-damage remediation. The company also provides drain and pipe cleaning, boiler and heating service and sanitary installation work.
Novartec AG
Schafisheim · Since 1997
Novartec AG supplies control systems and home‑automation solutions focused on heating, ventilation and air conditioning (HVAC). The company distributes products from manufacturers such as Tekmar, Joventa and Delta‑Dore and provides consulting, delivery, technical support, service contracts and repairs.
novitec ag
Wernetshausen · Since 2015
Novum Planungen GmbH
Basel · Since 2022
The core activity of Novum Planungen GmbH is the planning and implementation of building technology projects, particularly in the areas of heating, ventilation, air conditioning and refrigeration. This also includes specialized construction management, energy consulting, lockout/tagout services and coordination of all trades. The company offers customized solutions for various industries and requirements and supports customers in realizing their projects.
NR Chauffage Sanitaire Sàrl
Chavornay · Since 2023
The core activity of NR Chauffage Sanitaire is the installation, maintenance and repair of heating and sanitary systems for private individuals, companies and institutions in Switzerland. This includes in particular: installation and maintenance of heating systems, including boilers, radiators and pumps; repair and maintenance of existing heating systems; installation and maintenance of sanitary systems, including water pipes, sewage pipes and sanitary facilities; renovation and conversion of bathrooms and sanitary systems; troubleshooting and repair of heating and sanitary systems; energy optimization and efficiency consulting for heating and sanitary systems.
Oberland Haustechnik GmbH
Freienbach · Since 2024
The core activity of Oberland Haustechnik GmbH is the provision of services in the field of building technology, particularly in the following areas: Heating: installation, maintenance and repair of heating systems Sanitary: installation, repair and maintenance of sanitary facilities Ventilation: installation and maintenance of ventilation systems Energy efficiency: consulting and implementation of measures to improve the energy efficiency of houses Emergency service: 24/7 service for unexpected problems with building technology Consulting: planning and implementation of building technology projects Overall, the company focuses on the installation, maintenance and repair of building technology systems as well as consulting and optimizing energy efficiency and comfort in homes.
Ochsner Wärmepumpen GmbH
Zurich · Since 2015
The company Ochsner develops, manufactures and distributes heat pumps, providing environmentally friendly solutions for heating and cooling buildings.
Odermatt Kerns AG
Kerns · Since 2006
The core activity of Odermatt Kerns AG is the planning and implementation of sanitary and sprinkler systems in new and renovation projects. This includes the areas of sanitary facilities and fire protection/sprinkler systems.
Oecotec AG Landquart
Landquart · Since 1994
The core activity of Oecotec AG is engineering services for energy consulting and building technology planning. Specifically, this includes planning for: heating and cooling systems, sanitary facilities, ventilation and air conditioning systems, and site drainage, as well as energy consulting and concepts, including energy certification and control, Minergie application and fire protection planning.
ON DROP AG
Wetzikon Zh · Since 2019
ON DROP AG provides sanitary and plumbing services, covering various aspects of plumbing systems such as installation, repair and maintenance.
ONE Tech Energies Sàrl
Versoix · Since 2015
ONE Tech Energies Sàrl provides planning, installation and maintenance of building services systems, with a focus on heating, heat pumps, photovoltaic panels, ventilation and sanitary installations. The company also offers project coordination and serves private homeowners, property managers and service-sector businesses.
ONE Tech Energies Sàrl
Founex · Since 2022
ONE Tech Energies Sàrl provides building-services engineering and energy solutions, offering planning, installation and maintenance of heating systems, heat pumps, photovoltaic solar panels and sanitary installations. The company also handles project coordination, renovations and emergency plumbing services for residential and commercial clients.
OPTIMA CLIMATISATION SA
Satigny · Since 2009
OPTIMA CLIMATISATION SA is a company specialising in heating, ventilation and air‑conditioning (HVAC) systems, providing design, installation, maintenance and optimisation services. Its offerings include air conditioning, heat pumps, ventilation systems, data‑center cooling and energy‑efficiency audits.
O. Rossire S.A.
Roche Vd · Since 1980
O. Rossire S.A. provides plumbing and heating installations and related services. Services include bathroom and kitchen renovations, installation, maintenance and repair of heating systems, rapid interventions for leaks or blockages, plus personalised advice and quotations.
O. Tinelli - Etudes techniques du bâtiment - Chauffage - Ventilation - Sanitaire
La Tour-De-Peilz · Since 2000
The core activity of OTinelli&fils is the planning and optimization of technical installations in buildings, particularly in the areas of: heating, ventilation, sanitary technology, and building physics. The company offers solutions for the planning, optimization, and implementation of installations tailored to the needs of its customers, while also considering respect for the environment and energy efficiency.
Ottet Fabrice SA
Grolley · Since 2023
Ottet Fabrice SA provides services in heating, sanitary/plumbing, ventilation, tubage (flue lining) and renovation.
Oventrop (Schweiz) GmbH
Hunzenschwil · Since 1994
The core activity of Oventrop is the development, manufacture and distribution of products and systems for the regulation of heating, cooling and drinking water. This includes, among other things: heating and cooling systems, hydronic balancing systems, drinking water systems, room climate systems, and smart home and smart building solutions. The company offers a wide range of products, including thermostats, valves, pumps and other components required for the regulation of heating, cooling and drinking water.
Overney System Sàrl
La Roche Fr · Since 2018
O'Vital Sàrl
Ecublens Vd · Since 2023
O'Vital Sàrl provides sanitary installation and plumbing services, including emergency repairs, routine maintenance and renovation of sanitary systems. The company's website lists dépannage, entretien and rénovation as its core service areas and includes contact details.
Outbound Leads by COHAGALeadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.
Discover LeadhubHow the search works, what each filter means, and how the results come together.
Source: Federal Statistical Office, UID register